Hewitt, J. (1949). Portrait by Thomas Robinson of Dr. James Armstrong (1780-1839).
Lua i Stíl Chicago (17ú heag.)Hewitt, John. Portrait by Thomas Robinson of Dr. James Armstrong (1780-1839). 1949.
Lua MLA (9ú heag.)Hewitt, John. Portrait by Thomas Robinson of Dr. James Armstrong (1780-1839). 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.